FIGURE 2.

Transverse noncontrast (A) and contrast (B) computed tomography images of the pelvic area of the same dog in dorsal recumbency demonstrating prostate margins traced on images with a freehand image tracing software tool. Computed tomographic images were reconstructed with a soft tissue algorithm. A slice thickness of 0.625 mm, window level of 40 HU, and window width of 400 HU were used